#include <iostream>
using namespace std;

int main()
{
    int i, a;
    a = 1;
    for (i = 9; i >= 1; i = i - 1)
    {
        a = (a + 1) * 2;
        cout << a;
        if (i != 1)
        {
            cout << ",";
        }
    }
    return 0;
}